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Topic: Polyethylene glycol


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  Process for producing adhesives from polyethylene terephthalate - Patent 5008366
A process is disclosed for preparing adhesives from polyethylene terephthalate which comprises reacting a trimellitic acid polyester ether with polyethylene terephthalate to prepare a nonlinear copolymer with crosslinking characteristics suitable for use as an adhesive either as a hot-melt adhesive or as a pressure-sensitive adhesive.
Polyethylene terephthalate polymers are accordingly widely available as scrap photographic film and synthetic fibers, as sludges obtained as clean-up by-products from manufacturing plants, and as contaminated scrap from polyethylene terephthalate waste recovery sources such as bottle reclaiming plants.
The polyester polymer of trimellitic anyhydride and the polyethylene glycol is a nonlinear polymer and has a functionality of at least 3, which result in cross-linking characteristics with consequent unique properties in the hot-melt and pressure-sensitive adhesives prepared therefrom due to the sidechain configuration of the molecule.
www.freepatentsonline.com /5008366.html   (3023 words)

  
 483. Polyethylene glycols (WHO Food Additives Series 14)
Polyethylene glycols having average molecular weights of 4000 and 6000 showed no absorption from the rat intestine over a five-hour period, while polyethylene glycols of 1000 and 1540 molecular weights showed a slight absorption amounting to less than 2% of the total dose during the same period.
When 1 g doses of polyethylene glycols of molecular weight 1000 (PEG 1000) and 6000 (PEG 6000) were given intravenously to six human subjects, 85% of PEG 1000 and 96% of PEG 6000 were excreted in the urine in 12 hours.
Monkey Polyethylene glycol 200 was administered orally to monkeys (Macaca fascicularis) and rats (Sprague-Dawley) for a 13-week period at dosage levels of 2 to 4 ml/kg (monkeys) and 2.5 to 5.0 ml/kg (rats) per day.
www.inchem.org /documents/jecfa/jecmono/v14je19.htm   (1121 words)

  
 Polyethylene Glycol for Pharmaceutical Formulations
Polyethylene glycols are widely used in a variety of pharmaceutical formulations including parenteral, topical, ophthalmic, oral and rectal preparations.
Mixtures of polyethylene glycols can be made higher to withstand exposure to warmer climates; release of the drug is not dependent upon melting point; physical stability on storage is better; suppositories are readily miscible with rectal fluids.
Polyethylene glycols are chemically stable in air and in solution although grades with a molecular weight less than 2000 are hygroscopic.
www.gujchem.com /polyethylene-gycol.html   (1000 words)

  
 Discrete-length polyethylene glycols - Patent 6492560
Polyethylene glycols are a family of polymers produced from the condensation of ethylene glycol, and have the general formula H(OCH.sub.2 CH.sub.2).sub.n OH where n, the number of ethylene glycol groups, is greater than or equal to 4.
Polyethylene glycols have been advantageously employed in these applications for their ability to impart water solubilization and surface protective properties, and also because these polymers are only weakly immunogenic.
Accordingly, the discrete-length polyethylene glycol and PEG containing compounds of the present invention are useful in combination with therapeutic agents as prodrugs and may be effective in the delivery of therapeutic agents such as ubiquinones, vitamin B.sub.12, and their derivatives.
www.freepatentsonline.com /6492560.html   (7748 words)

  
 Polyethylene glycol - Wikipedia, the free encyclopedia
Polyethylene glycol (PEG) and polyethylene oxide (PEO) are polymers composed of repeating subunits of identical structure, called monomers, and are the most commercially important polyethers.
Poly(ethylene glycol) or poly(ethylene oxide) refers to an oligomer or polymer of ethylene oxide.
Poly(ethylene glycol) is also commonly used as a polar stationary phase for gas chromatography, as well as a heat transfer fluid in electronic testers.
en.wikipedia.org /wiki/Polyethylene_glycol   (901 words)

  
 MedlinePlus Drug Information: Polyethylene Glycol 3350
Polyethylene glycol 3350 is in a class of medications called osmotic laxatives.
Polyethylene glycol 3350 comes as a powder to be mixed with a liquid and taken by mouth.
If you are using polyethylene glycol 3350 from a bottle, use the measuring line on the bottle cap to measure a single dose (about 1 heaping tablespoon).
www.nlm.nih.gov /medlineplus/druginfo/medmaster/a603032.html   (610 words)

  
 PEG-3350 with Electolytes Drug Information
Polyethylene glycol electrolyte (PEG) solution is a laxative solution intended to increase the amount of water in the intestinal tract and replace electrolytes that may be lost due to diarrhea.
Polyethylene glycol electrolyte solution is used to cleanse the bowel by inducing diarrhea before colonoscopy, barium x-ray, surgery, or other procedures.
Polyethylene glycol electrolyte solution is in the FDA pregnancy category C. This means that it is not known whether it will be harmful to an unborn baby.
www.drugs.com /MTM/P/PEG_3350_with_Electolytes.html   (1274 words)

  
 Applied Spinal Cord Injury Research
Polyethylene glycol (PEG) is a hydrophilic polymer proven to rapidly (minutes to hours) restore nerve impulse conduction and recovery of sensory and motor functions dependent on those nerve impulses in severely spinal cord injured dogs.
Similar to polyethylene glycol, Poloxamer 188 (P188) is a new type of polymer that may do an even better job of repairing holes and breaks in nerve membranes.
A brief application of the hydrophilic polymer polyethylene glycol (PEG) swiftly repairs nerve membrane damage associated with severe spinal cord injury in adult guinea pigs.
www.vet.purdue.edu /cpr/research.html   (2313 words)

  
 Is polyethylene glycol safe and effective for chronic constipation in children? -- Arora and Srinivasan 90 (6): 643 -- ...
Polyethylene glycol 3350 without electrolytes for the treatment of functional constipation in infants and toddlers.
Polyethylene glycol 3350 for constipation in children with dysfunctional elimination.
Safety of polyethylene glycol 3350 for the treatment of chronic constipation in children.
adc.bmj.com /cgi/content/full/90/6/643   (812 words)

  
 Patient Education - Drugs - polyethylene glycol (PEG)
Of course, a person should not take polyethylene glycol if there has been a previous reaction to this or a similar drug.
It ranks drugs from A, where medical studies show no evidence for danger to the fetus or mother, to B, C, D and X, where the medical evidence indicates that the risk to the fetus outweighs any benefit to the mother.
Polyethylene glycol is ranked C. Always consult your physician before taking any drug during or when planning pregnancy.
www.endowsec.com /pated/polyethylene_glycol.htm   (644 words)

  
 polyethylene glycol - HighBeam Encyclopedia   (Site not responding. Last check: 2007-11-03)
Polyethylene glycols are useful cosmetic tools.(Gleams & Notions)
The efficacy and safety of polyethylene glycol 3350 in the treatment of constipation in children.(Evidence-Based Practice)
Eastern Petrochemical (SHARQ), Saudi Arabia's SABIC joint venture with the Japanese SPDC consortium, is building olefins, ethylene glycol and polyethylene plants at its existing Al-Jubail site.(Technology)
www.encyclopedia.com /doc/1E1-x-polyeglyc.html   (250 words)

  
 Laxative Warnings, Side Effects & Contraindications - Polyethylene Glycol
Polyethylene Glycol minor side effects: cramps, nausea, bloating, diarrhea, gas formation, increased thirst.
There are no known food, beverage or drug interactions with Polyethylene Glycol.
However, since a laxative effect may occur, other medications should not be taken at the same time because they may be swept down the intestine before they are dissolved and absorbed.
www.fruit-eze.com /education/laxative/warnings/glycol.htm   (334 words)

  
 Talk:Polyethylene glycol - Wikipedia, the free encyclopedia
What is the molecular mechanism of action of polyethylene glycol by which it causes the fusison of two diploid cells.
"poly(ethylene glycol)" is really splitting hairs as it is understood that "polyethyleneglycol" is "poly(ethylene glycol)" by convention.
Surfactants are one of the major uses of polyethylene glycol.
en.wikipedia.org /wiki/Talk:Polyethylene_glycol   (773 words)

  
 MedlinePlus Drug Information: Polyethylene glycol-electrolyte solution (PEG-ES)
Polyethylene glycol-electrolyte solution (PEG-ES) is used to cleanse the bowel before a gastrointestinal examination or surgery.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
Polyethylene glycol-electrolyte solution (PEG-ES) comes as a powder to take by mouth.
www.nlm.nih.gov /medlineplus/druginfo/medmaster/a601097.html   (464 words)

  
 A Randomized, Prospective, Comparison Study of Polyethylene Glycol 3350 Without Electrolytes and Milk of Magnesia for ...
polyethylene glycol and 40 to receive milk of magnesia.
Polyethylene glycol and milk of magnesia did not cause clinically
Abbreviations: PEG—polyethylene glycol • MOM—milk of magnesia • AST—aspartate aminotransferase • ALT—alanine aminotransferase
pediatrics.aappublications.org /cgi/content/abstract/118/2/528   (310 words)

  
 POLYETHYLENE GLYCOL
Synonyms: PEG; Carbowax®; Polyglycol; Polyethylene glycol 200, 300, 400, 600,1000,1450, 3350, 4000, 6000, 8000 and 20000.
Containers of this material may be hazardous when empty since they retain product residues (dust, solids, vapors, liquid); observe all warnings and precautions listed for the product.
Polyethylene glycol has been investigated as a mutagen; PEG 1000 has been investigated as a tumorigen.
www.jtbaker.com /msds/englishhtml/p5029.htm   (995 words)

  
 IngentaConnect Effects of lactulose and polyethylene glycol on colonic transit   (Site not responding. Last check: 2007-11-03)
: The effects of lactulose and polyethylene glycol on colonic transit are poorly established.
: At similar stool weight (lactulose: 653 ± 120 g/day; polyethylene glycol: 522 ± 66 g/day), transit was significantly slower during 99 g/day lactulose when compared with 59 g/day polyethylene glycol; this was most pronounced in the distal colon (mean residence time: lactulose – 403 ± 55 min; polyethylene glycol – 160 ± 41.9 min).
However, compared with polyethylene glycol, transit during lactulose is prolonged.
www.ingentaconnect.com /content/bsc/apt/2005/00000021/00000003/art00007   (245 words)

  
 :: Poly Ethylene Glycol - PEG ::   (Site not responding. Last check: 2007-11-03)
Polyethylene Glycols derivatives like mono and diesters of fatty acids are widely used as a surface active agent, emulsifiers and lubricants.
Glycol Polyethylene 400 or PEG 400 is most popular product is used in various industries like Textile, Lather, Pharmaceuticals, etc. Some special molecular weight of Glycol Polyethylene like PEG 200 and PEG 4000 are widely used in the industries.
A letters numbers identifies each of the Polyethylene Glycols and it’s also indicates the average molecular weight
www.advancepetro.com /peg.htm   (89 words)

  
 Polyethylene Glycol - Polyethylene Glycol Properties - Harmful Effect of Polyethylene Glycol   (Site not responding. Last check: 2007-11-03)
Polyethylene Glycol - Polyethylene Glycol Properties - Harmful Effect of Polyethylene Glycol
Harmful Effect of Polyethylene Glycol : Polyethylene Glycol Properties
Polyethylene Glycol Structure, Propylene Glycol, Polyethylene Glycol 400
www.iseekhealth.com /pharmacy/polyethylene-glycol-5658.htm   (70 words)

  
 Polyethylene Glycol 3350 - Drugs & Vitamins - Drug Library - DrugDigest
Polyethylene glycol helps increase the water content of the stool.
Generic polyethylene glycol 3350 powder is not yet available.
If it is almost time for your next dose, skip the missed dose and take your next dose on the normal schedule.
www.drugdigest.com /DD/PrintablePages/Monograph/1,7765,550398,00.html   (529 words)

  
 Effect of polyethylene glycol on in vitro gas production, metobolizable energy and organic matter digestibility of ...
Oak leaves and twigs are often grazed by animals or lopped to use as livestock fodder during lean periods (Singh et al 1996).
Method of polyethylene glycol application to tannin-containing browses to improve microbial fermentation and efficiency of microbial protein synthesis from tannin-containing browses.
The effect of polyethylene glycol (PEG) on wool growth and live weight of sheep consuming a mulga (Acacia aneura) diet.
www.cipav.org.co /lrrd/lrrd17/4/canb17042.htm   (2602 words)

  
 Polyethylene suppliers, products and services from ICIS search
If you are searching for Polyethylene suppliers or looking to source Polyethylene products and services, then use ICIS search for fast results.
ICIS search is a free, fully searchable global database of chemical products and services, enabling the fast sourcing of Polyethylene and other chemical suppliers.
If you are looking for Polyethylene or specific chemical pricing data, ICIS Pricing provides specific, up-to-date chemical pricing reports.
www.icis.com /SearchInfo/GenericICISSearch.aspx?q=Polyethylene   (264 words)

  
 Alkylaryl polyethylene glycol ether - toxicity, ecologicial toxicity and regulatory information
Alkylaryl polyethylene glycol ether - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information
Chemical Identification and Use for Alkylaryl polyethylene glycol ether
Sorry, no water quality standards or criteria have been established for this chemical by the U.S. or Canadian governments; however, there may be criteria established for related chemicals.
www.pesticideinfo.org /Detail_Chemical.jsp?Rec_Id=PC33965   (671 words)

  
 POLYETHYLENE GLYCOL (200-600) (ICSC)
This card covers the individual substances Polyethylene glycol 200 (RTECS TQ3600000), 300 (TQ3630000), 400 (TQ3675000), 600 (TQ3800000) and the mixture of the polyethylene glycols and is fully applicable for all polyethylenes in the molecular mass range from 200 to 600 g/mol.
Softening points for Polyethylene glycols: 200 (-65 to -50°C), 300 (-15 to -10°C), 400 (-6 to 8°C), 600 (17 to 22°C).
Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
www.inchem.org /documents/icsc/icsc/eics1517.htm   (204 words)

  
 Alkyl polyethylene glycol ether - toxicity, ecologicial toxicity and regulatory information
Alkyl polyethylene glycol ether - toxicity, ecologicial toxicity and regulatory information
Alkyl polyethylene glycol ether - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information
Chemical Identification and Use for Alkyl polyethylene glycol ether
www.pesticideinfo.org /Detail_Chemical.jsp?Rec_Id=PC35272   (668 words)

  
 POLYETHYLENE GLYCOL (PEG) 3350 - ORAL (Miralax) side effects, medical uses, and drug interactions.
POLYETHYLENE GLYCOL (PEG) 3350 - ORAL (Miralax) side effects, medical uses, and drug interactions.
Read details about the different treatments available for constipation including laxatives, dietary fiber, enemas, suppositories, drugs, and surgery.
Read 6 more polyethylene glycol (peg) 3350-oral related articles...
www.medicinenet.com /polyethylene_glycol_peg_3350-oral/article.htm   (487 words)

  
 Consumer Reports Medical Guide - Polyethylene Glycol 3350   (Site not responding. Last check: 2007-11-03)
Our information about drug and safety, off-label uses, side effects and interactions is based on the best available clinical evidence -- the same information used by hospital pharmacists
Call your doctor if you have any unusual problems while taking this medication.
If you become pregnant while taking polyethylene glycol 3350, call your doctor.
www.consumerreports.org /mg/drug-reports/polyethylene-glycol-3350.htm   (738 words)

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